Zenith T-series Automatic Transfer Switches Zenith T-series Automatic Transfer Switches Zenith T-series Service Entrance Rated ATSComplete your critical power protection with the new Zenith T-series Service Entrance Rated ATS. ZTG T-SeriesRugged construction and flexible configurations for large commercial and industrial applications. ZTS T-series Built for mission-critical and emergency power systems. Zenith ATS' is available in 30-3000A, standard, delayed, and closed transition. Zenith ZBTS T-seriesThe ZBTS T-series is built for mission-critical and emergency power systems. It is available in 30-3000A, standard, delayed, and closed transition. Ask an Expert Publications Application and TechnicalBrochuresCatalogs and Buyers GuidesCertificates/Declarations of ConformityConnection DiagramCross ReferenceDrawings-Outline and DimensionalInstallation and InstructionPresentations Other Automatic Transfer Switches Previous Generation ATS TruONE ATS Zenith Medium Voltage Automatic Transfer Switches Zenith T-series Automatic Transfer Switches